uan A. Galarza, Johanna Mappes and Janne K. Valkonen. Biological Journal of the Linnean Society. Volume 114, Issue 2, pages 426–435, February 2015. Ir al enlace.
Luca Cornetti, Francesco Belluardo, Samuele Ghielmi, Giovanni Giovine, Gentile F. Ficetola, Giorgio Bertorelle, Cristiano Vernesi and Heidi C. Hauffe. Biological Journal of the Linnean Society. Article first published online : 14 JAN 2015, DOI: 10.1111/bij.12478. Ir al enlace.
Thyroid hormone receptor alpha plays an important role in hind limb development in frogs, scientists have found. With new gene mutation technology, researchers were able to successfully mutate the gene in the tadpole models, discovering the value of tadpoles as ideal models for studying the role of hormones in development because of the timely metamorphosis from tadpole to juvenile frog, and because that transition is completely dependent on hormones. Leer más.
University of Alberta paleontologists including PhD student Tetsuto Miyashita, former MSc student Lida Xing and professor Philip Currie have discovered a new species of a long-necked dinosaur from a skeleton found in China. The findings have been published in a new paper in the Journal of Vertebrate Paleontology. Leer más.
The previous oldest known fossil snakes date from ~100 million year old sediments (Upper Cretaceous) and are both morphologically and phylogenetically diverse, indicating that snakes underwent a much earlier origin and adaptive radiation. Leer más.
